The very idea of climate engineering sounds like the crazed scheme of a mad scientist, and it once was close to taboo.
Folks don't realize that we've been interfering with, and engineering, our atmospheric environment for thousands of years.
Our early hominid ancestors gathered in large enough groups to create smog from their campfires. Hunters set fire to huge expanses of forest and grassland to flush game (or their enemies). Early agriculturalists used slash-and-burn farming.
